4 sec in total
276 ms
3.1 sec
623 ms
Welcome to vdi.de homepage info - get ready to check VDI best content for Germany right away, or after learning these important things about vdi.de
Rund 130.000 Ingenieurinnen und Ingenieure sind Mitglied im größten technisch-wissenschaftlichen Verein Europas, dem VDI.
Visit vdi.deWe analyzed Vdi.de page load time and found that the first response time was 276 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
vdi.de performance score
name
value
score
weighting
Value3.9 s
26/100
10%
Value13.3 s
0/100
25%
Value10.7 s
7/100
10%
Value710 ms
42/100
30%
Value0.011
100/100
15%
Value18.2 s
3/100
10%
276 ms
471 ms
840 ms
263 ms
270 ms
Our browser made a total of 97 requests to load all elements on the main page. We found that 88% of them (85 requests) were addressed to the original Vdi.de, 3% (3 requests) were made to Youtube.com and 3% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (871 ms) belongs to the original domain Vdi.de.
Page size can be reduced by 694.3 kB (45%)
1.5 MB
848.8 kB
In fact, the total size of Vdi.de main page is 1.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 642.2 kB which makes up the majority of the site volume.
Potential reduce by 54.8 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 12.0 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 54.8 kB or 81% of the original size.
Potential reduce by 24.1 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. VDI images are well optimized though.
Potential reduce by 302.8 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 302.8 kB or 66% of the original size.
Potential reduce by 312.5 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Vdi.de needs all CSS files to be minified and compressed as it can save up to 312.5 kB or 84% of the original size.
Number of requests can be reduced by 54 (59%)
92
38
The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VDI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.
vdi.de
276 ms
www.vdi.de
471 ms
www.vdi.de
840 ms
stylesheet_baeb3e023e.css
263 ms
pbsurvey.css
270 ms
vdi_rili_training.css
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tx_vdi_feuser_register.css
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vdi_cp_event.css
270 ms
tipafriend.css
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search.css
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cssstyledimgtext.css
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irfaq.css
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ml_maps.css
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sitemap.css
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vdi_regional_event.css
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vdi_tw_event.css
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vdi_event_search.css
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vdi_rili.css
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vdi_pm_termine.css
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vdi_hisabsolv.css
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tt_address.css
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tw_rssfeeds.css
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vdi.css
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content.css
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layouts.css
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teaserlayouts.css
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teaserswitchlayouts.css
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jquery.fancybox-1.3.4.css
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tt_news.css
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wmdb_vdi_rili_search.css
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jquery.min.js
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jquery.easing-1.3.pack.js
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jquery.fancybox-1.3.4.pack.js
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jquery.app.js
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wmdb_vdi_rili_search.js
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javascript_dd82474708.js
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jquery.tx_wmdbvditeaser_pi2.js
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jquery.datetimepicker.js
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parsley.min.js
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tabs.js
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form.js
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analytics.js
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base.js
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ad_status.js
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vdi.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
<frame> or <iframe> elements do not have a title
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
vdi.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
vdi.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vdi.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Vdi.de main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
vdi.de
Open Graph data is detected on the main page of VDI. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: